#! /usr/bin/python
# -*- coding: utf-8 -*-
import rospy
from std_msgs.msg import Float32MultiArray
def talker():
    pub_p = rospy.Publisher('fish_pose', Float32MultiArray, queue_size=1)
    rospy.init_node('talker', anonymous=True)
    rate = rospy.Rate(10) # 10hz
    array = [231,123]
    left_top = Float32MultiArray(data=array)
    pub_p.publish(left_top)
    rate.sleep()
 
if __name__ == '__main__':
    try:
        talker()
    except rospy.ROSInterruptException:
        pass